From: Christoph Hellwig <hch@lst.de>
To: Nilay Shroff <nilay@linux.ibm.com>
Cc: Keith Busch <kbusch@kernel.org>, Christoph Hellwig <hch@lst.de>,
Hannes Reinecke <hare@suse.de>, Sagi Grimberg <sagi@grimberg.me>,
John Meneghini <jmeneghi@redhat.com>,
bmarzins@redhat.com, Bryan Gurney <bgurney@redhat.com>,
linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org,
Marco Patalano <mpatalan@redhat.com>,
axboe@kernel.dk
Subject: Re: [PATCH] nvme: remove multipath module parameter
Date: Mon, 10 Mar 2025 14:29:31 +0100 [thread overview]
Message-ID: <20250310132931.GB8956@lst.de> (raw)
In-Reply-To: <69cdaf9d-2fb4-4ee0-9c32-cc946405a23a@linux.ibm.com>
On Sun, Mar 09, 2025 at 10:53:19PM +0530, Nilay Shroff wrote:
> Yes agreed however it seems advantages of using an indirect call outweighs
> using the short cut to blk_mq_submit_bio. Moreover it seems the cost of
> indirect call is trivial because we already cache the nexthop.
Indirect calls are never cheap unfortunately.
> If you and Christoph are busy with other work then in that case I'll be
> glad to pursue this further if you agree.
I'm not working in this area at the moment, so from my POV feel free
to go ahead.
next prev parent reply other threads:[~2025-03-10 13:29 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-02-04 21:11 [PATCH] nvme: remove multipath module parameter Bryan Gurney
2025-02-13 20:37 ` John Meneghini
2025-02-17 8:08 ` Sagi Grimberg
2025-02-17 16:14 ` John Meneghini
2025-02-18 8:19 ` Sagi Grimberg
2025-02-18 14:05 ` John Meneghini
2025-02-18 14:57 ` John Meneghini
2025-02-18 15:06 ` Keith Busch
2025-02-18 16:31 ` John Meneghini
2025-02-18 17:15 ` Keith Busch
2025-02-18 23:06 ` John Meneghini
2025-02-18 23:30 ` Keith Busch
2025-02-19 14:47 ` Nilay Shroff
2025-02-20 11:05 ` Sagi Grimberg
2025-02-20 16:47 ` Keith Busch
2025-02-26 9:55 ` Hannes Reinecke
2025-03-05 14:15 ` Christoph Hellwig
2025-03-05 15:17 ` Keith Busch
2025-03-05 23:51 ` Christoph Hellwig
2025-03-05 23:57 ` Keith Busch
2025-03-06 0:03 ` Christoph Hellwig
2025-03-06 0:15 ` Keith Busch
2025-03-06 7:12 ` Hannes Reinecke
2025-03-06 14:18 ` Christoph Hellwig
2025-03-06 15:01 ` Keith Busch
2025-03-06 15:16 ` Christoph Hellwig
2025-03-07 0:46 ` Keith Busch
2025-03-07 15:19 ` Nilay Shroff
2025-03-07 15:43 ` Keith Busch
2025-03-09 17:23 ` Nilay Shroff
2025-03-10 13:29 ` Christoph Hellwig [this message]
2025-03-12 3:47 ` John Meneghini
2025-03-12 15:26 ` Nilay Shroff
2025-03-10 13:28 ` Christoph Hellwig
2025-03-12 3:08 ` John Meneghini
2025-02-18 14:26 ` John Meneghini
2025-02-18 16:41 ` John Meneghini
2025-02-18 14:43 ` John Meneghini
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